4-(4,7-dimethoxy-9H-beta-carbolin-1-yl)-7,10-dimethoxy-1,2,3,4-tetrahydroindolo[2,3-a]quinolizine InChI=1/C30H28N4O4/c1-35-16-9-11-19-20(12-16)32-28-22-6-5-7-23(34(22)15-25(38-4)27(19)28)29-30-26(24(37-3)14-31-29)18-10-8-17(36-2)13-21(18)33-30/h8-15,23,33H,5-7H2,1-4H indolo[2,3-a]quinolizine, 4-(4,7-dimethoxy-9H-pyrido[3,4-b]indol-1-yl)-1,2,3,4-tetrahydro-7,10-dimethoxy-